Community Q&A Question: Water Pump & underdrive Pulleys

Asking About: Mustang BBK Underdrive Pulley Kit Black (79-93) 5.0


Water Pump & underdrive Pulleys

Is it recommened that you upgrade your stock water pump to a high flow one when using these?
from Scott AFB |

That is a great question Fernando, one of the purposes of the under-drive pulleys is when you have a higher (3.73-4.30) gears, your accessories are spinning too fast. The alternator is fully charging at around 2200 rpm and the water pump can spin so fast that it actually creates air bubbles in the water and that is not a good thing. A standard water pump will do just fine for the average street motor.
from TROY | Staff Member Post!

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Question About

  • Mustang BBK Underdrive Pulley Kit Black (79-93) 5.0
    BBK Underdrive Pulley Kit Black (79-93) 5.0
    4.5 stars (2) $99.99
    This item is no longer available.